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2003 - Multiple Choice - Q16 - HSN forum

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2003 - Multiple Choice - Q16

Started by sarmad, May 21 2006 07:28 PM

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#1 sarmad

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Posted 21 May 2006 - 07:28 PM

hi could someone please explain to me how to go about doing question 16?

#2 Nathan

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Posted 21 May 2006 - 07:45 PM

firstly,write out the equation for the combustion of butane

2C₄H_10(g) + 13O_2(g) ----> 8CO_2(g) + 10H₂O_(l)

by molar volume principle, 2 l butane will give 13 l of oxygen

divide by two thus 1 l butane gives 6.5 l oxygen - answer C

btw, i don't have my answers, so let me know if that's right